Dynamic absorption coefficient of water for high-density Er:YAG laser radiation

被引:0
|
作者
Iwai, K [1 ]
Endo, M [1 ]
Ito, K [1 ]
Shi, YW [1 ]
Matsuura, Y [1 ]
Miyagi, M [1 ]
Jelinkova, H [1 ]
机构
[1] Tohoku Univ, Grad Sch Engn, Aoba Ku, Sendai, Miyagi 9808579, Japan
关键词
absorption coefficient; Er : YAG laser; sealing cap; hollow fiber; water;
D O I
10.1117/12.531793
中图分类号
R318 [生物医学工程];
学科分类号
0831 ;
摘要
Transmission experiments of Er:YAG laser fight under water were performed by a laser delivery system comprising a hollow fiber and an end sealing cap. The experiments were based on a high energy fluence which produces vapor bubbles in water. Transmission properties of Er:YAG laser light were evaluated with various laser energy and pulse-repetition rates. The results show that, at high laser fluence, the attenuation coefficient of water is very small because water on light axis is fully vaporized.
引用
收藏
页码:172 / 179
页数:8
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